144795:20240430:133828.657 Zabbix agent item "system.cpu.util[,guest_nice]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:133843.956 resuming Zabbix agent checks on host "dns4": connection restored
144798:20240430:133950.653 Zabbix agent item "system.cpu.util[,interrupt]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134005.397 resuming Zabbix agent checks on host "dns4": connection restored
144798:20240430:134024.622 Zabbix agent item "system.cpu.load[all,avg15]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134039.675 resuming Zabbix agent checks on host "dns4": connection restored
144796:20240430:134110.180 Zabbix agent item "vm.memory.size[available]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134126.097 resuming Zabbix agent checks on host "dns4": connection restored
144798:20240430:134223.468 Zabbix agent item "system.cpu.util[,iowait]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134238.508 resuming Zabbix agent checks on host "dns4": connection restored
144796:20240430:134314.216 Zabbix agent item "vfs.file.contents[/sys/block/vda/stat]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134329.808 resuming Zabbix agent checks on host "dns4": connection restored
144796:20240430:134425.552 Zabbix agent item "vfs.fs.size[/tmp,pused]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134441.127 resuming Zabbix agent checks on host "dns4": connection restored
144787:20240430:134522.016 Zabbix agent item "system.cpu.load[all,avg5]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134537.415 resuming Zabbix agent checks on host "dns4": connection restored
144795:20240430:134553.756 Zabbix agent item "system.swap.size[,free]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134608.687 resuming Zabbix agent checks on host "dns4": connection restored
144797:20240430:134809.778 Zabbix agent item "vfs.file.contents["/sys/class/net/ens3/operstate"]" on host "dns4" failed: first network error, wait for 15 seconds
144799:20240430:134825.066 resuming Zabbix agent checks on host "dns4": connection restored

OID 1.3.6.1.4.1.2011.5.25.160.3.7 MAC move detected, VLANID = 1, MacAddress = 8cc8-4b69-a605, Original-Port = GE0/0/4, Flapping port = GE0/0/16. Please check the network accessed to plapping port.

root@lenovo:/home/aleksa# ua attach MyToken
Enabling default service esm-infra
Updating package lists
UA Infra: ESM enabled
Enabling default service livepatch
Installing canonical-livepatch snap
Canonical livepatch enabled.
This machine is now attached to 'aleksandra.sedakova@gmail.com'

SERVICE       ENTITLED  STATUS    DESCRIPTION
esm-infra     yes       enabled   UA Infra: Extended Security Maintenance (ESM)
fips          yes       disabled  NIST-certified FIPS modules
fips-updates  yes       disabled  Uncertified security updates to FIPS modules
livepatch     yes       enabled   Canonical Livepatch service

NOTICES
Operation in progress: ua attach

Enable services with: ua enable <service>

     Account: aleksandra.sedakova@gmail.com
Subscription: aleksandra.sedakova@gmail.com

fips          yes       disabled  NIST-certified FIPS modules
fips-updates  yes       disabled  Uncertified security updates to FIPS modules

root@lenovo:/home/aleksa# apt update
Сущ:1 http://uz.archive.ubuntu.com/ubuntu xenial InRelease
Сущ:2 http://uz.archive.ubuntu.com/ubuntu xenial-updates InRelease
Сущ:3 http://uz.archive.ubuntu.com/ubuntu xenial-backports InRelease
Сущ:4 http://security.ubuntu.com/ubuntu xenial-security InRelease                          
Сущ:5 https://esm.ubuntu.com/infra/ubuntu xenial-infra-security InRelease
Сущ:6 https://esm.ubuntu.com/infra/ubuntu xenial-infra-updates InRelease
Сущ:7 https://download.virtualbox.org/virtualbox/debian xenial InRelease
Чтение списков пакетов… Готово
Построение дерева зависимостей       
Чтение информации о состоянии… Готово
Все пакеты имеют последние версии.
root@lenovo:/home/aleksa# apt list --installed | grep firefox

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

firefox/xenial-updates,xenial-security,now 88.0+build2-0ubuntu0.16.04.1 amd64 [установлен, автоматически]
firefox-locale-en/xenial-updates,xenial-security,now 88.0+build2-0ubuntu0.16.04.1 amd64 [установлен]
firefox-locale-ru/xenial-updates,xenial-security,now 88.0+build2-0ubuntu0.16.04.1 amd64 [установлен]
unity-scope-firefoxbookmarks/xenial,xenial,now 0.1+13.10.20130809.1-0ubuntu1 all [установлен, автоматически]

No DS records found for mydomain in the uz zone

[root@gks aleksa]# mount | grep xfs
/dev/sda3 on / type xfs (rw,relatime,attr2,inode64,usrquota,prjquota,grpquota)